Mercurial > dwm-meillo
annotate dwm.h @ 510:0dfa6b752aed
small fix of a corner case
| author | Anselm R. Garbe <arg@10kloc.org> |
|---|---|
| date | Fri, 29 Sep 2006 16:54:15 +0200 |
| parents | ede48935f2b3 |
| children | 1599c953647b |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
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4 * |
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5 * dynamic window manager is designed like any other X client as well. It is |
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6 * driven through handling X events. In contrast to other X clients, a window |
| 468 | 7 * manager selects for SubstructureRedirectMask on the root window, to receive |
| 8 * events about window (dis-)appearance. Only one X connection at a time is | |
| 9 * allowed to select for this event mask. | |
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10 * |
| 468 | 11 * Calls to fetch an X event from the event queue are blocking. Due reading |
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12 * status text from standard input, a select()-driven main loop has been |
| 468 | 13 * implemented which selects for reads on the X connection and STDIN_FILENO to |
| 14 * handle all data smoothly. The event handlers of dwm are organized in an | |
| 15 * array which is accessed whenever a new event has been fetched. This allows | |
| 16 * event dispatching in O(1) time. | |
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17 * |
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18 * Each child of the root window is called a client, except windows which have |
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19 * set the override_redirect flag. Clients are organized in a global |
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20 * doubly-linked client list, the focus history is remembered through a global |
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21 * stack list. Each client contains an array of Bools of the same size as the |
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22 * global tags array to indicate the tags of a client. For each client dwm |
| 468 | 23 * creates a small title window, which is resized whenever the (_NET_)WM_NAME |
| 24 * properties are updated or the client is moved/resized. | |
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25 * |
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26 * Keys and tagging rules are organized as arrays and defined in the config.h |
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27 * file. These arrays are kept static in event.o and tag.o respectively, |
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28 * because no other part of dwm needs access to them. The current mode is |
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29 * represented by the arrange() function pointer, which wether points to |
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30 * dofloat() or dotile(). |
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31 * |
| 468 | 32 * To understand everything else, start reading main.c:main(). |
| 0 | 33 */ |
| 34 | |
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35 #include "config.h" |
| 32 | 36 #include <X11/Xlib.h> |
| 37 | |
| 143 | 38 /* mask shorthands, used in event.c and client.c */ |
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39 #define BUTTONMASK (ButtonPressMask | ButtonReleaseMask) |
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40 #define MOUSEMASK (BUTTONMASK | PointerMotionMask) |
| 502 | 41 /* other stuff used in different places */ |
| 42 #define BORDERPX 1 | |
| 507 | 43 #define MINW 100 |
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44 #define PROTODELWIN 1 |
| 143 | 45 |
| 452 | 46 enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */ |
| 47 enum { WMProtocols, WMDelete, WMLast }; /* default atoms */ | |
| 48 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ | |
| 49 enum { ColFG, ColBG, ColLast }; /* color */ | |
| 50 | |
| 51 typedef enum { | |
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52 StackLeft, StackBottom, StackRight |
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53 } StackPos; /* stack position*/ |
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54 |
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55 typedef enum { |
| 452 | 56 TopLeft, TopRight, BotLeft, BotRight |
| 57 } Corner; /* window corners */ | |
| 58 | |
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59 typedef union { |
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189
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using execl now, argv changed, using cmd and const char defs directly in the KEYS struct
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60 const char *cmd; |
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61 int i; |
| 452 | 62 } Arg; /* argument type */ |
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63 |
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64 typedef struct { |
| 32 | 65 int ascent; |
| 66 int descent; | |
| 67 int height; | |
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68 XFontSet set; |
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69 XFontStruct *xfont; |
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70 } Fnt; |
| 32 | 71 |
| 452 | 72 typedef struct { |
| 32 | 73 int x, y, w, h; |
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74 unsigned long norm[ColLast]; |
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75 unsigned long sel[ColLast]; |
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76 unsigned long status[ColLast]; |
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77 Drawable drawable; |
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78 Fnt font; |
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79 GC gc; |
| 452 | 80 } DC; /* draw context */ |
| 32 | 81 |
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82 typedef struct Client Client; |
| 0 | 83 struct Client { |
| 31 | 84 char name[256]; |
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85 int proto; |
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115
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86 int x, y, w, h; |
| 480 | 87 int rx, ry, rw, rh; /* revert geometry */ |
| 453 | 88 int tx, ty, tw, th; /* title window geometry */ |
| 20 | 89 int basew, baseh, incw, inch, maxw, maxh, minw, minh; |
| 29 | 90 int grav; |
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91 long flags; |
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92 unsigned int border, weight; |
| 480 | 93 Bool isfloat, ismax; |
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removed TLast tag enum, now tags is simple defined as char *[] array, the rest is calculated correctly, rules take an int array for the tags
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94 Bool *tags; |
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95 Client *next; |
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96 Client *prev; |
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97 Client *snext; |
| 0 | 98 Window win; |
| 342 | 99 Window twin; |
| 0 | 100 }; |
| 101 | |
| 452 | 102 extern const char *tags[]; /* all tags */ |
| 103 extern char stext[1024]; /* status text */ | |
| 104 extern int bx, by, bw, bh, bmw; /* bar geometry, bar mode label width */ | |
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105 extern int master, screen, sx, sy, sw, sh; /* screen geometry, master dimension*/ |
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106 extern unsigned int ntags, numlockmask; /* number of tags, dynamic lock mask */ |
| 452 | 107 extern void (*handler[LASTEvent])(XEvent *); /* event handler */ |
| 108 extern void (*arrange)(Arg *); /* arrange function, indicates mode */ | |
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109 extern Atom wmatom[WMLast], netatom[NetLast]; |
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110 extern Bool running, issel, *seltag; /* seltag is array of Bool */ |
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111 extern Bool isvertical; /* stack direction */ |
| 488 | 112 extern Client *clients, *sel, *stack; /* global client list and stack */ |
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113 extern Cursor cursor[CurLast]; |
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114 extern DC dc; /* global draw context */ |
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115 extern Display *dpy; |
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116 extern StackPos stackpos; |
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117 extern Window root, barwin; |
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118 |
| 5 | 119 /* client.c */ |
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120 extern void ban(Client *c); /* ban c from screen */ |
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121 extern void configure(Client *c); /* send synthetic configure event */ |
| 452 | 122 extern void focus(Client *c); /* focus c, c may be NULL */ |
| 123 extern Client *getclient(Window w); /* return client of w */ | |
| 124 extern Client *getctitle(Window w); /* return client of title window */ | |
| 125 extern void gravitate(Client *c, Bool invert); /* gravitate c */ | |
| 126 extern void killclient(Arg *arg); /* kill c nicely */ | |
| 127 extern void manage(Window w, XWindowAttributes *wa); /* manage new client */ | |
| 128 extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/ | |
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129 extern void resizetitle(Client *c); /* resizes c->twin correctly */ |
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130 extern void updatesize(Client *c); /* update the size structs of c */ |
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131 extern void updatetitle(Client *c); /* update the name of c */ |
| 452 | 132 extern void unmanage(Client *c); /* destroy c */ |
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133 |
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134 /* draw.c */ |
| 487 | 135 extern void drawall(void); /* draw all visible client titles and the bar */ |
| 136 extern void drawstatus(void); /* draw the bar */ | |
| 452 | 137 extern void drawtitle(Client *c); /* draw title of c */ |
| 138 extern unsigned long getcolor(const char *colstr); /* return color of colstr */ | |
| 139 extern void setfont(const char *fontstr); /* set the font for DC */ | |
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140 extern unsigned int textw(const char *text); /* return the width of text in px*/ |
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141 |
| 75 | 142 /* event.c */ |
| 487 | 143 extern void grabkeys(void); /* grab all keys defined in config.h */ |
| 144 extern void procevent(void); /* process pending X events */ | |
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145 |
| 43 | 146 /* main.c */ |
| 452 | 147 extern int getproto(Window w); /* return protocol mask of WMProtocols property of w */ |
| 148 extern void quit(Arg *arg); /* quit dwm nicely */ | |
| 149 extern void sendevent(Window w, Atom a, long value); /* send synthetic event to w */ | |
| 150 extern int xerror(Display *dsply, XErrorEvent *ee); /* dwm's X error handler */ | |
| 43 | 151 |
| 75 | 152 /* tag.c */ |
| 487 | 153 extern void initrregs(void); /* initialize regexps of rules defined in config.h */ |
| 452 | 154 extern Client *getnext(Client *c); /* returns next visible client */ |
| 155 extern Client *getprev(Client *c); /* returns previous visible client */ | |
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156 extern void settags(Client *c, Client *trans); /* sets tags of c */ |
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157 extern void tag(Arg *arg); /* tags c with arg's index */ |
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158 extern void toggletag(Arg *arg); /* toggles c tags with arg's index */ |
| 73 | 159 |
| 32 | 160 /* util.c */ |
| 452 | 161 extern void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */ |
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162 extern void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */ |
| 452 | 163 extern void *erealloc(void *ptr, unsigned int size); /* reallocates memory, exits on error */ |
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164 extern void spawn(Arg *arg); /* forks a new subprocess with to arg's cmd */ |
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165 |
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166 /* view.c */ |
| 452 | 167 extern void detach(Client *c); /* detaches c from global client list */ |
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168 extern void dofloat(Arg *arg); /* arranges all windows floating, arg is ignored */ |
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169 extern void dotile(Arg *arg); /* arranges all windows, arg is ignored */ |
| 452 | 170 extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */ |
| 171 extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */ | |
| 172 extern Bool isvisible(Client *c); /* returns True if client is visible */ | |
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173 extern void resizecol(Arg *arg); /* resizes the master dimension with arg's index value */ |
| 487 | 174 extern void restack(void); /* restores z layers of all clients */ |
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175 extern void togglestackdir(Arg *arg); /* toggles stack direction */ |
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176 extern void togglestackpos(Arg *arg); /* toggles stack position */ |
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454
diff
changeset
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177 extern void togglemode(Arg *arg); /* toggles global arrange function (dotile/dofloat) */ |
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d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
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178 extern void toggleview(Arg *arg); /* toggles the tag with arg's index (in)visible */ |
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508
ede48935f2b3
added the new dotile as described on ml
Anselm R. Garbe <arg@10kloc.org>
parents:
507
diff
changeset
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179 extern void updatemaster(void); /* updates master dimension */ |
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456
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
180 extern void view(Arg *arg); /* views the tag with arg's index */ |
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454
ffb462fb7903
small change to comments, renamed two set* functions in client.c into update*
Anselm R. Garbe <arg@10kloc.org>
parents:
453
diff
changeset
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181 extern void viewall(Arg *arg); /* views all tags, arg is ignored */ |
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508
ede48935f2b3
added the new dotile as described on ml
Anselm R. Garbe <arg@10kloc.org>
parents:
507
diff
changeset
|
182 extern void zoom(Arg *arg); /* zooms the focused client to master area, arg is ignored */ |